Best Time Ever with Neil Patrick Harris (10 p.m., NBC) – This new live one-hour variety show – based on a wildly popular British program – will have A-list stars participating in stunts, comedy skits, mini game shows, hidden camera pranks and more. If anyone can pull this off, it’s Neil Patrick Harris. Reese Witherspoon is the celebrity guest for the opening week.

Also on tonight . . .

In Their Own Words: Jim Henson (8 p.m., UNC-TV) – A look at the early television work of Muppets creator Jim Henson and his later work with “Sesame Street” and “The Muppet Show.”

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Walt Disney (8 p.m., UNC-TV) – The conclusion of the 4-hour American Experience documentary on Walt Disney looks at his films from “Cinderella” to “Mary Poppins” and his vision and realization of Disneyland.

Zoo (9 p.m., CBS) – The season ends with Jackson and the team encountering a major obstacle in their final attempt to find a cure for the animal problem. No word yet on a Season 2.

The Bastard Executioner (10 p.m., FX) – The debut of a new medieval drama set in Wales that tells the story of a 14th century warrior (Lee Jones) whose life is changed when a messenger beseeches him to lay down his sword and become a journeyman executioner. Also stars Katey Sagal as a mystical healer and Stephen Moyer as a devious Chamberlain. Tonight’s debut is two hours.

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The First Round of the 2019 NCAA Women’s Basketball Tournament is Friday and Saturday on ESPN2. (The championship game is April 7 on ESPN.) Here’s the schedule plus how to watch, how to get ESPN and how to stream.